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DAHLONEGA SCIENCE 2nd 9 weeks EXAM REVIEW

Total questions: 45

Worksheet time: 11hrs 15mins

Name
Class
Date
1.

Jelly-like substance containing chemicals that helps keep the cell healthy_____________________.

a)

cell wall

b)

cytoplasm

c)

mitochondria

2.

supports and protects the cell _______________.

a)

vacuole

b)

nucleus

c)

cell wall

3.

makes food for the cell _________________.

a)

cell membrane

b)

chloroplast

c)

nucleus

4.

releases energy for the cell ________________.

a)

mitochondria

b)

nucleus

c)

vacuole

5.

stores food and water for cells (large for the plant and small for the animal) ________________

a)

nucleus

b)

vacuole

c)

cytoplasm

6.

directs the cell's activities (the brain) ____________

a)

cell membrane

b)

nucleus

c)

cell wall

7.

holds the cell together and separates it from the surroundings _________________

a)

cell wall

b)

cell membrane

c)

mitochondria

8.

uses photosynthesis to make food for the cell ________________

a)

chloroplast

b)

cell wall

c)

nucleus

9.

This is outside the cell membrane and protects the plant cell ____________.

a)

cell membrane

b)

cell wall

c)

nucleus

10.

True or False

Both single-and multi-celled organisms have organelles

a)

TRUE

b)

FALSE

11.

TRUE or FALSE

Multi-celled organisms are made of trillions of cells; each cell is able to carry out its own function; made of; cell- tissue- organ- organ system.

a)

TRUE

b)

FALSE

12.

TRUE OR FALSE

Single-celled oranisms function the same way; they have organs and tissues

a)

TRUE

b)

FALSE

13.

Fill in the blank.

__________________ more bacteria on Earth than any other living thing-shaped like rods and spirals- single celled.

a)

Hand sanitizer

b)

Bacteria

c)

Water

14.

Fill in the blank.

_________________ 80,000 kinds -examples: algae- makes own food; protozoan hunt for food, can be single celled or multi-celled.

a)

President

b)

Proactive

c)

Protists

15.

Fill in the blank.

_________________-examples: mold, yeast. They look like plants, but can't make their own food; known as decomposers- most fungi are multi-celled.

a)

Bacteria

b)

Protists

c)

Fungi

16.

True or False

Bacteria can help with our digestive system and break down food- example yogurt.

a)

TRUE

b)

FALSE

17.

TRUE or FALSE

Phytoplankton is not the main source of food for small fish

a)

TRUE

b)

FALSE

18.

TRUE or FALSE

Bacteria turns mild into yogurt; mold into blue cheese and can be made into medicines, yeast makes bread rise.

a)

TRUE

b)

FALSE

19.

Which statement is NOT true about washing your hands?

a)

Washing your hands can keep germs from spreading.

b)

Not washing your hands can help build up your immune system and makes you stronger as a person.

c)

If you do not wash your hands, germs and other microbes or bad bacteria can spread to others and yourself causing some sicknesses.

20.

Animals with a BACKBONE

a)

Verebrates

b)

Invertebrates

21.

Animals WITHOUT a BACKBONE

a)

Vertebrates

b)

Invertebrates

22.

Fill in the blank.

_______________ have scaly skin and most lay their eggs on land.

a)

monkey

b)

fish

c)

reptiles

23.

Fill in the blank.

__________________ begin life in water but live on land as adults.

a)

Reptiles

b)

Amphibians

c)

Mammals

24.

Fill in the blank.

_____________ have hair and produce mild for their young.

a)

Fish

b)

Birds

c)

Mammals

25.

Fill in the blank.

_________________ have feathers which keep them warm and help them fly.

a)

fish

b)

reptiles

c)

birds

26.

Fill in the blank.

_______________ have scales and live their entire life in the water.

a)

Birds

b)

Mammals

c)

Fish

27.

Fill in the blank.

_______________________ do not have true roots-anchored to the ground by small root like structures- no true leaves-do not have tissue to carry materials throughout the plant.

a)

Vascular Plants

b)

Nonvascular Plants

c)

Fish

28.

Fill in the blank.

_________________ have tissue to support the plant, carries food and water- roots, stems, and leaves all contain vascular tissue.

a)

Nonvascular plants

b)

Vascular plants

c)

Vertebrates

29.

vascular tissue that carries water and nutrients from roots to other parts of plants.

a)

Angiosperm

b)

Gymnosperm

c)

Xylem

30.

vascular tissue that carries food from leaves to the rest of the plant.

a)

Phloem

b)

Gymnosperm

c)

Angiosperm

31.

a plant that produces naked seeds like a pine cone.

a)

Gymnosperm

b)

Phloem

c)

Angiosperm

32.

a flowering plant, which has seeds protected by fruit.

a)

Gymnosperm

b)

Angiosperm

c)

Xylem

33.

True or FALSE

Pollen grains are released and can look like a golden dust cloud. Some of the pollen settles on other plants and then seeds will develop.

a)

TRUE

b)

FALSE

34.

True or False

When the seeds mature, they will land on a suitable habitat and a new plant will grow.

a)

FALSE

b)

TRUE

35.

An instinct is a behavior that is _______________, or passed from a parent to their offspring.

a)

passed

b)

inherited

c)

observed

36.

An inherited trait is a characteristic _____________ from parent to their offspring such as their hair or eye color.

a)

thrown

b)

passed

c)

spelled

37.

Which of these is a learned behavior, a behavior in which an animal acquires through experience?

a)

riding a bicycle

b)

sleeping

c)

breathing

38.

___________ are behaviors that organisms inherit, passed from parents to their offspring.

a)

learned behaviors

b)

instincts

c)

habitat

39.

What is this an example of:

hitting a baseball

a)

learned behavior

b)

instinct

c)

habit

40.

____________ are acquired through experience, not born or inherited.

a)

instincts

b)

habits

c)

learned behaviors

41.

TRUE or FALSE

Birds have an instinct to build a nest, but they learn from experience how to build it.

a)

TRUE

b)

FALSE

42.

A ___________ is the part of a chromosome that contains the DNA code for an inherited trait, such as hair color.

a)

molebule

b)

cell

c)

gene

43.

What tool is best to use while observing the cells and their structures?

a)

binoculars

b)

microscopes

c)

telescopes

44.

TRUE or FALSE

Tooth decay can be caused by a microorganism.

a)

TRUE

b)

FALSE

45.

Which of these is a learned behavior of a dog?

a)

Barking

b)

Eating

c)

Shaking hands

d)

Sleeping